from time import time, mktime
from datetime import datetime, timedelta
 
# calculate remaining days to the year 2045
ts = time()
print datetime.fromtimestamp(ts).strftime('%Y/%m/%d %H:%M:%S')
 
ts_xday = mktime(datetime.strptime('2045/1/1', '%Y/%m/%d').timetuple())
delta1 = timedelta(seconds=(ts_xday - ts))
print delta1
 
# when is the date which 10000 days remain.
ts10000 = ts_xday - timedelta(days=10000).total_seconds()
print datetime.fromtimestamp(ts10000).strftime('%Y/%m/%d')
 

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